Enhanced Visibility: Featuring a 0.91-inch OLED screen, this display module offers high contrast visuals in blue, making it perfect for various lighting conditions. Easy Integration: this OLED module simplifies connections and supports quick data transfer. Versatile Application: Ideal for DIY electronics projects, embedded systems, and as a compact display for real-time data output. Due to different batches, there may be differences in product printed text, which will not affect use. Type:Blue Font Colour:Blue Material:PCB Package Contents: 4 x OLED Display Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.